2. Coal injection in coal face of coal mining face must be strictly controlled, can not be in the form, and operate according to the requirements, to ensure the effect of water injection. The safety officer and dispatcher are responsible for supervising the water injection effect. After the water injection is completed, the water filling personnel must fill in the water. The water injection record can only be carried out in the next process after it has been signed and accepted by the technicians in the shift. Otherwise, it will be violated according to the regulations. 3. The range of water injection on the working face of coal mining should ensure that coal can be taken off work, and no water injection section is allowed to produce. 4, coal mining face must adhere to the use of water-bubble mud, not allowed to use pulverized coal or other guns, otherwise no guns are allowed. 5. After the shooting of the coal mining face is over, it is necessary to insist on sprinkling water first to reduce the flying of coal dust. 6. At the coal mining face and the lower lane runner head, the spray device must be complete, sensitive and reliable, and be used correctly with the amount of coal in the working face. No spray device or nozzle is used, no production is allowed. 7. There must be a spray device in the return air passage of the coal mining face, and ensure that the facilities are complete, sensitive and reliable, and can atomize the entire ventilation section. During the production period, according to the work situation in the area, keep it open, and it is strictly forbidden to stop it privately. Otherwise, it will be treated according to serious violations. 8. When the coal mining face is used for coal mining, the coal should be put down as low as possible to reduce the amount of dust generated, and the dust should be sprinkled on the return air side of the coal dumping site. 9. The coal mining face and the lower lane must ensure that each shift is washed and cleaned once, the coal dust accumulation is eliminated, and one place is found, and the squad leader and the responsible person are responsible.
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Comprehensive dust prevention measures for coal mining face
1, coal mining coal face must adhere to the implementation process water, not water or bad water injection Spaces blasting off the coal, forced producers to be punished by a serious violation (squad leader, blasting, technician).